/* ════════════════════════════════════════════════════════════════
   Motion Titles · DESIGN SYSTEM v2 (Editorial Tech Premium)
   Compartilhado por todas as páginas exceto a home (que é single-file).
   Tokens, tipografia, botões, nav, footer, WhatsApp FAB, scroll-progress.
   ════════════════════════════════════════════════════════════════ */

:root {
  --bg: #ffffff;
  --bg-elevated: #fafafa;
  --bg-soft: #f5f5f7;
  --bg-dark: #0a0a0a;

  --fg: #0a0a0a;
  --fg-muted: #6b6b6b;
  --fg-subtle: #a0a0a0;
  --fg-on-dark: #fafafa;
  --fg-on-dark-muted: #a0a0a0;

  --accent: #2563eb;
  --accent-hot: #1d4ed8;
  --accent-soft: #dbeafe;
  --accent-glow: rgba(37, 99, 235, 0.15);
  --accent-line: rgba(37, 99, 235, 0.25);

  --success: #22c55e;
  --success-hot: #16a34a;
  --danger: #dc2626;
  --danger-soft: rgba(220, 38, 38, 0.08);

  --border: rgba(10, 10, 10, 0.08);
  --border-strong: rgba(10, 10, 10, 0.16);
  --border-hover: rgba(37, 99, 235, 0.4);
  --border-dark: rgba(255, 255, 255, 0.1);

  --ease-out: cubic-bezier(.22, 1, .36, 1);
  --ease-in-out: cubic-bezier(.65, 0, .35, 1);
  --ease-spring: cubic-bezier(.34, 1.56, .64, 1);

  --container: 1200px;
  --pad-x: 24px;
}

/* ── reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: auto; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--fg);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* ── Lenis smooth scroll (config oficial) ── */
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-smooth [data-lenis-prevent] { overscroll-behavior: contain; }
.lenis.lenis-stopped { overflow: clip; }
.lenis.lenis-smooth iframe { pointer-events: none; }

/* Fallback: se Lenis não carregar, scroll nativo suave em anchors */
@media (prefers-reduced-motion: no-preference) {
  html:not(.lenis) { scroll-behavior: smooth; }
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
::selection { background: var(--accent); color: white; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--pad-x);
  width: 100%;
}

/* ── tipografia ── */
.hero-title    { font-size: clamp(2.6rem, 7vw, 6.2rem); font-weight: 800; line-height: .98;  letter-spacing: -.04em; }
.page-title    { font-size: clamp(2rem, 4.5vw, 3.6rem); font-weight: 800; line-height: 1.04; letter-spacing: -.035em; }
.section-title { font-size: clamp(2.2rem, 5vw, 4.5rem); font-weight: 800; line-height: 1.02; letter-spacing: -.035em; }
.card-title    { font-size: clamp(1.4rem, 2vw, 1.8rem); font-weight: 700; line-height: 1.2;  letter-spacing: -.015em; }
.lede          { font-size: clamp(1.05rem, 1.4vw, 1.2rem); color: var(--fg-muted); max-width: 600px; line-height: 1.6; }
p              { font-size: 17px; line-height: 1.65; color: var(--fg-muted); max-width: 65ch; }

.accent-text { color: var(--accent); }
.italic-em {
  font-style: italic;
  position: relative;
  color: var(--accent);
  white-space: nowrap;
}
.italic-em::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: .08em;
  height: 4px;
  background: var(--accent);
  opacity: .25;
  border-radius: 2px;
}

.tag-mono {
  font-family: 'JetBrains Mono', monospace;
  font-size: .7rem;
  letter-spacing: .25em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
}
.tag-mono .dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2.4s var(--ease-out) infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(37,99,235,.45); }
  70%  { box-shadow: 0 0 0 12px rgba(37,99,235,0); }
  100% { box-shadow: 0 0 0 0 rgba(37,99,235,0); }
}

section { padding: clamp(80px, 14vw, 180px) 0; position: relative; }

/* ── botões ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 28px;
  font-size: 15px;
  font-weight: 500;
  border-radius: 10px;
  transition: all .5s var(--ease-out);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  font-family: inherit;
}
.btn-primary {
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  color: white;
  box-shadow: 0 4px 14px rgba(37,99,235,.25), inset 0 1px 0 rgba(255,255,255,.15);
}
.btn-primary::before {
  content: "";
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,.25) 50%, transparent 70%);
  transition: left .7s var(--ease-out);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(37,99,235,.35); }
.btn-primary:hover::before { left: 100%; }

.btn-secondary {
  background: white;
  border: 1px solid rgba(10,10,10,.12);
  color: var(--fg);
}
.btn-secondary:hover { border-color: var(--fg); background: var(--bg-elevated); transform: translateY(-2px); }

.btn-dark { background: #0a0a0a; color: white; border: 1px solid #0a0a0a; }
.btn-dark:hover { background: transparent; color: #0a0a0a; transform: translateY(-2px); }

.btn-ghost {
  background: transparent;
  color: var(--fg-muted);
  border: 1px solid var(--border);
}
.btn-ghost:hover { color: var(--fg); border-color: var(--fg); }

.btn-success {
  background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
  color: white;
  box-shadow: 0 8px 24px rgba(34,197,94,.3);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .02em;
}

.btn-lg    { padding: 20px 36px; font-size: 16px; }
.btn-giant { padding: 24px 48px; font-size: 17px; border-radius: 12px; }
.btn-full  { width: 100%; justify-content: center; }
.btn .arrow { display: inline-block; transition: transform .4s var(--ease-out); }
.btn:hover .arrow { transform: translateX(4px); }
.btn-magnetic { will-change: transform; }
.btn-magnetic > * { display: inline-flex; align-items: center; gap: 10px; pointer-events: none; }

.spinner {
  width: 14px; height: 14px;
  border: 2px solid rgba(255,255,255,.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin .8s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── nav ── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px 0;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: transform .5s var(--ease-out), background .3s, border-color .3s, backdrop-filter .3s;
  will-change: transform;
}
.nav.scrolled {
  background: rgba(255,255,255,.78);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border-bottom-color: var(--border);
}
.nav.hidden { transform: translateY(-100%); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.logo {
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -.02em;
  display: inline-flex;
  align-items: center;
  gap: 9px;
}
.logo .logo-dot {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(37,99,235,.15);
}
.nav-links {
  display: flex; gap: 32px; list-style: none;
  font-size: 14px; font-weight: 450;
  color: var(--fg-muted);
}
.nav-links a {
  position: relative;
  transition: color .3s var(--ease-out);
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -4px;
  height: 1px; background: var(--fg);
  transform: scaleX(0); transform-origin: left;
  transition: transform .4s var(--ease-out);
}
.nav-links a:hover { color: var(--fg); }
.nav-links a:hover::after { transform: scaleX(1); }
.nav-right { display: flex; align-items: center; gap: 18px; }
.nav-right .link-login { font-size: 14px; color: var(--fg-muted); transition: color .3s; }
.nav-right .link-login:hover { color: var(--fg); }
.nav-right .btn { padding: 10px 18px; font-size: 14px; }
.menu-toggle { display: none; flex-direction: column; gap: 5px; padding: 6px; }
.menu-toggle span { width: 22px; height: 1.5px; background: var(--fg); border-radius: 2px; transition: all .3s var(--ease-out); }
@media (max-width: 900px) {
  .nav-links, .nav-right .link-login { display: none; }
  .menu-toggle { display: flex; }
}

/* ── footer ── */
.footer {
  background: var(--bg-dark);
  color: var(--fg-on-dark);
  border-top: 1px solid var(--border-dark);
  padding: 80px 0 50px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 50px;
  margin-bottom: 60px;
}
@media (max-width: 800px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 500px) { .footer-grid { grid-template-columns: 1fr; } }
.footer .logo { color: var(--fg-on-dark); margin-bottom: 18px; }
.footer-tag { color: var(--fg-on-dark-muted); font-size: 14px; line-height: 1.6; max-width: 280px; margin-bottom: 24px; }
.footer-copy {
  font-family: 'JetBrains Mono', monospace;
  font-size: .7rem; letter-spacing: .15em; text-transform: uppercase;
  color: var(--fg-subtle);
}
.footer-col h5 {
  font-family: 'JetBrains Mono', monospace;
  font-size: .7rem; letter-spacing: .2em; text-transform: uppercase;
  color: var(--fg-on-dark);
  margin-bottom: 20px; font-weight: 500;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.footer-col li a {
  color: var(--fg-on-dark-muted);
  font-size: 14px;
  transition: color .3s;
}
.footer-col li a:hover { color: var(--fg-on-dark); }
.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid var(--border-dark);
  display: flex; justify-content: space-between;
  font-family: 'JetBrains Mono', monospace;
  font-size: .7rem; letter-spacing: .15em; text-transform: uppercase;
  color: var(--fg-subtle);
}
@media (max-width: 600px) { .footer-bottom { flex-direction: column; gap: 12px; text-align: center; } }

/* ── scroll progress ── */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-hot));
  z-index: 1000;
  box-shadow: 0 0 10px rgba(37,99,235,.5);
  transition: width .1s linear;
}

/* ── WhatsApp FAB ── */
.wa-fab {
  position: fixed;
  right: 24px; bottom: 24px;
  z-index: 999;
  display: flex; align-items: center; gap: 12px;
  text-decoration: none;
  transform: translateY(100px);
  opacity: 0;
  transition: transform .6s var(--ease-spring), opacity .5s;
}
.wa-fab.show { transform: translateY(0); opacity: 1; }
.wa-fab-label {
  background: white;
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 10px 16px;
  font-size: 13px; font-weight: 500; color: var(--fg);
  box-shadow: 0 10px 30px -8px rgba(10,10,10,.15);
  display: flex; flex-direction: column;
  line-height: 1.2;
  white-space: nowrap;
  transform: translateX(12px) scale(.9);
  opacity: 0;
  transition: all .4s var(--ease-spring);
  pointer-events: none;
}
.wa-fab-label small {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px; letter-spacing: .15em; text-transform: uppercase;
  color: var(--fg-subtle);
  margin-top: 2px;
}
.wa-fab:hover .wa-fab-label { transform: translateX(0) scale(1); opacity: 1; }
.wa-fab-btn {
  width: 60px; height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
  display: grid; place-items: center;
  color: white;
  box-shadow: 0 8px 24px rgba(37,211,102,.45), inset 0 1px 0 rgba(255,255,255,.25);
  position: relative; flex-shrink: 0;
  transition: transform .35s var(--ease-spring);
}
.wa-fab:hover .wa-fab-btn { transform: scale(1.08) rotate(-5deg); }
.wa-fab-btn::before, .wa-fab-btn::after {
  content: "";
  position: absolute; inset: 0;
  border-radius: 50%;
  border: 2px solid rgba(37,211,102,.5);
  animation: waPulse 2.2s var(--ease-out) infinite;
}
.wa-fab-btn::after { animation-delay: 1.1s; }
@keyframes waPulse {
  0%   { transform: scale(1);   opacity: .7; }
  100% { transform: scale(1.9); opacity: 0;  }
}
.wa-fab svg { width: 30px; height: 30px; position: relative; z-index: 1; }
@media (max-width: 600px) {
  .wa-fab { right: 16px; bottom: 16px; }
  .wa-fab-btn { width: 54px; height: 54px; }
  .wa-fab-label { display: none; }
}

/* ── reveal anims ── */
.reveal { opacity: 0; transform: translateY(40px); transition: opacity .9s var(--ease-out), transform .9s var(--ease-out); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ── focus visible ── */
button:focus-visible, a:focus-visible, input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ════════════════════════════════════════════════════════════════
   COMPONENTES UTILITÁRIOS PARA PÁGINAS INTERNAS
   ════════════════════════════════════════════════════════════════ */

.page-shell {
  min-height: 100vh;
  display: flex; flex-direction: column;
  padding-top: 120px;
  position: relative;
  isolation: isolate;
}
.page-shell::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(10,10,10,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10,10,10,.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 60% 40% at 50% 20%, black, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 60% 40% at 50% 20%, black, transparent 75%);
  z-index: -1;
  pointer-events: none;
}
.page-shell .blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  z-index: -1;
  pointer-events: none;
}
.page-shell .blob.b1 { top: -100px; left: -120px; width: 480px; height: 480px;
  background: radial-gradient(circle, #2563eb 0%, transparent 65%); opacity: .35; }
.page-shell .blob.b2 { top: 10%; right: -160px; width: 420px; height: 420px;
  background: radial-gradient(circle, #93c5fd 0%, transparent 65%); opacity: .32; }

.page-head {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 60px;
  padding: 60px 0 40px;
}
.page-head .tag-mono { justify-content: center; }

.panel {
  background: white;
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: clamp(28px, 5vw, 56px);
  box-shadow: 0 1px 0 rgba(255,255,255,.5) inset, 0 30px 60px -30px rgba(10,10,10,.08);
}
.panel + .panel { margin-top: 24px; }
.panel-head {
  display: flex; justify-content: space-between; align-items: flex-start;
  flex-wrap: wrap; gap: 16px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 24px; margin-bottom: 28px;
}
.panel-head h2 { font-size: clamp(1.2rem, 2vw, 1.5rem); font-weight: 700; letter-spacing: -.02em; }

.form-row { display: flex; flex-direction: column; gap: 7px; margin-bottom: 18px; }
.form-row label {
  font-family: 'JetBrains Mono', monospace;
  font-size: .68rem; letter-spacing: .2em; text-transform: uppercase;
  color: var(--fg-muted); font-weight: 500;
}
.form-row input,
.form-row textarea,
.form-row select {
  padding: 14px 16px;
  font-size: 15px;
  font-family: inherit;
  color: var(--fg);
  background: white;
  border: 1px solid var(--border);
  border-radius: 10px;
  transition: border-color .25s, box-shadow .25s;
}
.form-row input:focus,
.form-row textarea:focus,
.form-row select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(37,99,235,.1);
}
.form-row small { color: var(--fg-subtle); font-size: 12px; }

.alert {
  padding: 14px 18px;
  border-radius: 10px;
  font-size: 14px;
  margin-bottom: 18px;
  display: flex; align-items: flex-start; gap: 10px;
}
.alert--info    { background: var(--accent-soft); color: var(--accent-hot); border: 1px solid var(--accent-line); }
.alert--success { background: rgba(34,197,94,.1); color: #15803d; border: 1px solid rgba(34,197,94,.3); }
.alert--error   { background: var(--danger-soft); color: var(--danger); border: 1px solid rgba(220,38,38,.25); }
.alert--warn    { background: rgba(245,158,11,.1); color: #b45309; border: 1px solid rgba(245,158,11,.3); }

.toast {
  position: fixed;
  bottom: 100px; right: 24px;
  z-index: 1100;
  padding: 14px 22px;
  border-radius: 12px;
  background: var(--fg);
  color: white;
  font-size: 14px; font-weight: 500;
  box-shadow: 0 20px 40px -10px rgba(0,0,0,.3);
  transform: translateY(20px);
  opacity: 0;
  transition: all .35s var(--ease-spring);
  max-width: 360px;
}
.toast.show { transform: translateY(0); opacity: 1; }
.toast.success { background: var(--success-hot); }
.toast.error   { background: var(--danger); }

/* Modal de auth (compartilhado) */
.modal[hidden] { display: none !important; }
.modal {
  position: fixed; inset: 0;
  z-index: 1200;
  display: grid; place-items: center;
  padding: 24px;
}
.modal__overlay {
  position: absolute; inset: 0;
  background: rgba(10,10,10,.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.modal__card {
  position: relative;
  z-index: 2;
  background: white;
  border-radius: 20px;
  padding: clamp(28px, 5vw, 48px);
  width: 100%; max-width: 460px;
  box-shadow: 0 40px 80px -20px rgba(0,0,0,.5);
}
.modal__close {
  position: absolute; top: 16px; right: 16px;
  width: 36px; height: 36px;
  border-radius: 50%;
  display: grid; place-items: center;
  font-size: 20px; color: var(--fg-muted);
  transition: all .25s;
}
.modal__close:hover { background: var(--bg-elevated); color: var(--fg); }
.modal__head { margin-bottom: 28px; }
.modal__tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: .65rem; letter-spacing: .25em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 12px; display: block; font-weight: 600;
}
.modal__head h2 { font-size: clamp(1.4rem, 2.5vw, 1.8rem); font-weight: 800; letter-spacing: -.02em; line-height: 1.15; margin-bottom: 8px; }
.modal__head p  { font-size: 14.5px; color: var(--fg-muted); line-height: 1.5; }
.modal__form    { display: flex; flex-direction: column; gap: 14px; }
.modal__error   { font-size: 13.5px; color: var(--danger); }
.modal__switch  { font-size: 13.5px; color: var(--fg-muted); text-align: center; cursor: pointer; }
.modal__switch strong { color: var(--accent); }
.modal__forgot  { text-align: center; font-size: 13px; margin-top: -6px; }
.modal__forgot a strong { color: var(--accent); }

/* Prose (páginas legais) */
.prose { max-width: 760px; margin: 0 auto; }
.prose h2 { font-size: clamp(1.4rem, 2.2vw, 1.8rem); font-weight: 700; letter-spacing: -.02em; margin: 40px 0 14px; color: var(--fg); }
.prose h2:first-child { margin-top: 0; }
.prose h3 { font-size: clamp(1.05rem, 1.5vw, 1.15rem); font-weight: 700; letter-spacing: -.01em; margin: 28px 0 10px; color: var(--fg); }
.prose p { font-size: 15.5px; line-height: 1.75; color: var(--fg-muted); margin-bottom: 14px; max-width: none; }
.prose ul, .prose ol { padding-left: 22px; margin: 8px 0 18px; }
.prose ul li, .prose ol li { font-size: 15.5px; line-height: 1.8; color: var(--fg-muted); margin-bottom: 6px; }
.prose strong { color: var(--fg); font-weight: 600; }
.prose a { color: var(--accent); text-decoration: none; border-bottom: 1px solid var(--accent-line); transition: border-color .25s; }
.prose a:hover { border-bottom-color: var(--accent); }
.prose code { background: var(--bg-elevated); padding: 2px 6px; border-radius: 4px; border: 1px solid var(--border); font-family: 'JetBrains Mono', monospace; font-size: 13px; color: var(--fg); }
.prose hr { border: none; height: 1px; background: var(--border); margin: 40px 0; }
.prose .meta { font-family: 'JetBrains Mono', monospace; font-size: 12px; letter-spacing: .15em; text-transform: uppercase; color: var(--fg-subtle); margin-bottom: 30px; }

/* Listas com seta */
.feat-list {
  list-style: none;
  display: flex; flex-direction: column; gap: 12px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.feat-list li {
  font-size: 14.5px;
  color: var(--fg);
  display: flex; align-items: flex-start; gap: 12px;
  line-height: 1.5;
}
.feat-list li::before {
  content: "→";
  color: var(--accent);
  font-family: 'JetBrains Mono', monospace;
  flex-shrink: 0; font-weight: 500;
}